./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:05:11,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:05:11,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:05:11,069 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:05:11,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:05:11,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:05:11,073 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:05:11,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:05:11,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:05:11,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:05:11,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:05:11,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:05:11,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:05:11,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:05:11,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:05:11,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:05:11,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:05:11,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:05:11,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:05:11,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:05:11,107 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:05:11,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:05:11,109 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:05:11,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:05:11,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:05:11,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:05:11,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:05:11,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:05:11,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:05:11,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:05:11,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:05:11,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:05:11,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:05:11,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:05:11,122 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:05:11,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:05:11,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:05:11,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:05:11,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:05:11,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:05:11,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:05:11,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:05:11,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:05:11,159 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:05:11,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:05:11,160 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:05:11,160 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:05:11,161 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:05:11,161 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:05:11,162 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:05:11,162 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:05:11,162 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:05:11,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:05:11,163 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:05:11,163 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:05:11,163 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:05:11,164 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:05:11,164 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:05:11,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:05:11,164 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:05:11,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:05:11,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:05:11,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:05:11,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:05:11,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:05:11,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:05:11,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:05:11,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:05:11,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:05:11,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:05:11,167 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:05:11,167 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:05:11,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:05:11,168 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 [2022-07-14 02:05:11,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:05:11,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:05:11,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:05:11,476 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:05:11,477 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:05:11,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-14 02:05:11,544 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a37664f/8eefdee524da4777864c01c3030d81b5/FLAG4127c6cf8 [2022-07-14 02:05:12,354 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:05:12,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-14 02:05:12,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a37664f/8eefdee524da4777864c01c3030d81b5/FLAG4127c6cf8 [2022-07-14 02:05:12,873 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5a37664f/8eefdee524da4777864c01c3030d81b5 [2022-07-14 02:05:12,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:05:12,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:05:12,882 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:05:12,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:05:12,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:05:12,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:05:12" (1/1) ... [2022-07-14 02:05:12,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35d265e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:12, skipping insertion in model container [2022-07-14 02:05:12,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:05:12" (1/1) ... [2022-07-14 02:05:12,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:05:13,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:05:17,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-14 02:05:17,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:05:17,633 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:05:17,955 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9822] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-14 02:05:17,960 INFO L158 Benchmark]: Toolchain (without parser) took 5082.15ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 91.3MB in the beginning and 114.7MB in the end (delta: -23.4MB). Peak memory consumption was 112.6MB. Max. memory is 16.1GB. [2022-07-14 02:05:17,961 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 96.5MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 02:05:17,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5076.88ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 91.0MB in the beginning and 114.7MB in the end (delta: -23.7MB). Peak memory consumption was 112.6MB. Max. memory is 16.1GB. [2022-07-14 02:05:17,963 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 96.5MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5076.88ms. Allocated memory was 130.0MB in the beginning and 195.0MB in the end (delta: 65.0MB). Free memory was 91.0MB in the beginning and 114.7MB in the end (delta: -23.7MB). Peak memory consumption was 112.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9822] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9822]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:05:20,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:05:20,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:05:20,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:05:20,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:05:20,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:05:20,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:05:20,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:05:20,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:05:20,210 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:05:20,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:05:20,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:05:20,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:05:20,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:05:20,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:05:20,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:05:20,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:05:20,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:05:20,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:05:20,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:05:20,236 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:05:20,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:05:20,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:05:20,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:05:20,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:05:20,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:05:20,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:05:20,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:05:20,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:05:20,247 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:05:20,248 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:05:20,248 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:05:20,250 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:05:20,251 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:05:20,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:05:20,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:05:20,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:05:20,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:05:20,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:05:20,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:05:20,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:05:20,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:05:20,261 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 02:05:20,301 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:05:20,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:05:20,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:05:20,302 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:05:20,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:05:20,303 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:05:20,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:05:20,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:05:20,304 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:05:20,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:05:20,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:05:20,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:05:20,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:05:20,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:05:20,306 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 02:05:20,306 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 02:05:20,306 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 02:05:20,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:05:20,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:05:20,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:05:20,307 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:05:20,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:05:20,308 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:05:20,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:05:20,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:05:20,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:05:20,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:05:20,309 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 02:05:20,309 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 02:05:20,309 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:05:20,310 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:05:20,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:05:20,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 02:05:20,310 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73e11d79da89f19153d89e853a8d4a3607f25d95ae579da9c148a59839e48ce3 [2022-07-14 02:05:20,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:05:20,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:05:20,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:05:20,739 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:05:20,740 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:05:20,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-14 02:05:20,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3360036/81747ea7ddb64f95b55c971dc51fd93d/FLAG73cc3cd52 [2022-07-14 02:05:21,826 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:05:21,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-14 02:05:21,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3360036/81747ea7ddb64f95b55c971dc51fd93d/FLAG73cc3cd52 [2022-07-14 02:05:22,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb3360036/81747ea7ddb64f95b55c971dc51fd93d [2022-07-14 02:05:22,208 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:05:22,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:05:22,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:05:22,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:05:22,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:05:22,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:05:22" (1/1) ... [2022-07-14 02:05:22,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786a2394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:22, skipping insertion in model container [2022-07-14 02:05:22,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:05:22" (1/1) ... [2022-07-14 02:05:22,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:05:22,476 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:05:26,089 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-14 02:05:26,364 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-14 02:05:26,578 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-14 02:05:26,945 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-14 02:05:27,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:05:27,166 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 02:05:27,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:05:27,694 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-14 02:05:27,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:05:27,777 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:05:28,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i[468644,468657] [2022-07-14 02:05:28,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:05:28,555 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:05:28,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:28 WrapperNode [2022-07-14 02:05:28,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:05:28,557 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:05:28,557 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:05:28,558 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:05:28,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:28" (1/1) ... [2022-07-14 02:05:28,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:28" (1/1) ... [2022-07-14 02:05:29,128 INFO L137 Inliner]: procedures = 455, calls = 4514, calls flagged for inlining = 181, calls inlined = 178, statements flattened = 8094 [2022-07-14 02:05:29,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:05:29,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:05:29,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:05:29,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:05:29,138 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:28" (1/1) ... [2022-07-14 02:05:29,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:28" (1/1) ... [2022-07-14 02:05:29,190 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:28" (1/1) ... [2022-07-14 02:05:29,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:28" (1/1) ... [2022-07-14 02:05:29,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:28" (1/1) ... [2022-07-14 02:05:29,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:28" (1/1) ... [2022-07-14 02:05:29,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:28" (1/1) ... [2022-07-14 02:05:29,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:05:29,682 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:05:29,682 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:05:29,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:05:29,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:28" (1/1) ... [2022-07-14 02:05:29,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:05:29,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:05:29,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 02:05:29,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 02:05:29,763 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-14 02:05:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-14 02:05:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-14 02:05:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-14 02:05:29,764 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-14 02:05:29,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-14 02:05:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-14 02:05:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-14 02:05:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 02:05:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 02:05:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:05:29,765 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:05:29,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-14 02:05:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-14 02:05:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:05:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:05:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-14 02:05:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-14 02:05:29,766 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-14 02:05:29,766 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-14 02:05:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_writereg [2022-07-14 02:05:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_writereg [2022-07-14 02:05:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-14 02:05:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-14 02:05:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_generic_frame_duration [2022-07-14 02:05:29,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_generic_frame_duration [2022-07-14 02:05:29,767 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-07-14 02:05:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-07-14 02:05:29,768 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 02:05:29,768 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 02:05:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure fls [2022-07-14 02:05:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure fls [2022-07-14 02:05:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 02:05:29,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 02:05:29,769 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 02:05:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 02:05:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-14 02:05:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-14 02:05:29,770 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-14 02:05:29,770 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-14 02:05:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-14 02:05:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-14 02:05:29,771 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-14 02:05:29,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-14 02:05:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-14 02:05:29,772 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-14 02:05:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-14 02:05:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-14 02:05:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 02:05:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 02:05:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 02:05:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 02:05:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:05:29,774 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-14 02:05:29,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-14 02:05:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 02:05:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 02:05:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 02:05:29,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 02:05:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-14 02:05:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-14 02:05:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 02:05:29,776 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 02:05:29,776 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-14 02:05:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-14 02:05:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-14 02:05:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-14 02:05:29,777 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 02:05:29,777 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 02:05:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 02:05:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 02:05:29,778 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-14 02:05:29,778 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-14 02:05:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-14 02:05:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-14 02:05:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2022-07-14 02:05:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2022-07-14 02:05:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_10 [2022-07-14 02:05:29,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_10 [2022-07-14 02:05:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 02:05:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 02:05:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-14 02:05:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-14 02:05:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:05:29,781 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:05:29,781 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-14 02:05:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-14 02:05:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 02:05:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 02:05:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-14 02:05:29,782 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-14 02:05:29,782 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-14 02:05:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-14 02:05:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-14 02:05:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-14 02:05:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 02:05:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 02:05:29,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 02:05:29,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 02:05:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-14 02:05:29,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-14 02:05:29,784 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-14 02:05:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-14 02:05:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-14 02:05:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-14 02:05:29,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 02:05:29,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 02:05:29,786 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-14 02:05:29,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-14 02:05:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:05:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:05:29,789 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 02:05:29,790 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 02:05:29,790 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-14 02:05:29,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-14 02:05:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-14 02:05:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-14 02:05:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 02:05:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 02:05:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:05:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 02:05:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 02:05:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:05:29,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:05:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 02:05:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_10 [2022-07-14 02:05:29,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_10 [2022-07-14 02:05:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-14 02:05:29,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-14 02:05:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_init [2022-07-14 02:05:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_init [2022-07-14 02:05:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-14 02:05:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-14 02:05:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-07-14 02:05:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-07-14 02:05:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam2 [2022-07-14 02:05:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam2 [2022-07-14 02:05:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-14 02:05:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-14 02:05:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-14 02:05:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-14 02:05:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-14 02:05:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-14 02:05:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 02:05:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_basic_rates [2022-07-14 02:05:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_basic_rates [2022-07-14 02:05:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-14 02:05:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-14 02:05:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:05:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:05:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 02:05:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 02:05:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 02:05:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-14 02:05:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-14 02:05:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 02:05:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 02:05:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:05:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 02:05:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:05:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_conf_tx [2022-07-14 02:05:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_conf_tx [2022-07-14 02:05:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:05:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:05:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-14 02:05:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-14 02:05:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 02:05:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 02:05:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2022-07-14 02:05:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2022-07-14 02:05:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_4 [2022-07-14 02:05:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_4 [2022-07-14 02:05:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_9 [2022-07-14 02:05:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_9 [2022-07-14 02:05:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_8 [2022-07-14 02:05:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_8 [2022-07-14 02:05:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-14 02:05:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-14 02:05:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_7 [2022-07-14 02:05:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_7 [2022-07-14 02:05:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_6 [2022-07-14 02:05:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_6 [2022-07-14 02:05:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-14 02:05:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-14 02:05:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-14 02:05:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-14 02:05:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_set_channel [2022-07-14 02:05:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_set_channel [2022-07-14 02:05:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 02:05:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 02:05:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-14 02:05:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-14 02:05:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 02:05:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 02:05:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-14 02:05:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-14 02:05:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:05:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:05:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-14 02:05:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-14 02:05:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 02:05:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 02:05:29,810 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_int_disable [2022-07-14 02:05:29,810 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_int_disable [2022-07-14 02:05:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-14 02:05:29,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-14 02:05:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:05:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-14 02:05:29,811 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-14 02:05:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:05:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225se_rf_stop [2022-07-14 02:05:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225se_rf_stop [2022-07-14 02:05:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-14 02:05:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-14 02:05:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 02:05:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 02:05:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 02:05:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 02:05:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:05:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_init [2022-07-14 02:05:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_init [2022-07-14 02:05:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-14 02:05:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-14 02:05:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-14 02:05:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-14 02:05:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2022-07-14 02:05:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2022-07-14 02:05:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-14 02:05:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-14 02:05:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-14 02:05:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-14 02:05:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_rf_readreg [2022-07-14 02:05:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_rf_readreg [2022-07-14 02:05:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_beacon_work [2022-07-14 02:05:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_beacon_work [2022-07-14 02:05:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-14 02:05:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-14 02:05:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-14 02:05:29,819 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-14 02:05:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-14 02:05:29,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-14 02:05:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_rx [2022-07-14 02:05:29,819 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_rx [2022-07-14 02:05:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-14 02:05:29,820 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-14 02:05:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 02:05:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 02:05:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-14 02:05:29,821 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-14 02:05:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 02:05:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 02:05:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-14 02:05:29,822 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-14 02:05:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:05:29,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:05:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-14 02:05:29,822 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-14 02:05:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-14 02:05:29,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-14 02:05:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_conf_ac_parm [2022-07-14 02:05:29,823 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_conf_ac_parm [2022-07-14 02:05:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 02:05:29,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 02:05:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 02:05:29,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 02:05:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-14 02:05:29,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-14 02:05:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_stop [2022-07-14 02:05:29,824 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_stop [2022-07-14 02:05:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-14 02:05:29,824 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-14 02:05:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-14 02:05:29,824 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-14 02:05:29,824 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 02:05:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 02:05:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 02:05:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 02:05:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-14 02:05:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-14 02:05:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-14 02:05:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-14 02:05:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-14 02:05:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-14 02:05:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8187se_three_wire_io [2022-07-14 02:05:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8187se_three_wire_io [2022-07-14 02:05:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-14 02:05:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-14 02:05:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-14 02:05:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-14 02:05:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-14 02:05:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-14 02:05:30,919 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:05:30,922 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:05:33,726 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:06:30,448 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:06:30,476 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:06:30,478 INFO L299 CfgBuilder]: Removed 78 assume(true) statements. [2022-07-14 02:06:30,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:06:30 BoogieIcfgContainer [2022-07-14 02:06:30,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:06:30,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:06:30,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:06:30,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:06:30,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:05:22" (1/3) ... [2022-07-14 02:06:30,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67dc9456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:06:30, skipping insertion in model container [2022-07-14 02:06:30,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:05:28" (2/3) ... [2022-07-14 02:06:30,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67dc9456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:06:30, skipping insertion in model container [2022-07-14 02:06:30,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:06:30" (3/3) ... [2022-07-14 02:06:30,495 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--rtl818x--rtl8180--rtl818x_pci.ko-entry_point.cil.out.i [2022-07-14 02:06:30,509 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:06:30,509 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 02:06:30,650 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:06:30,660 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7786bee2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6c55704d [2022-07-14 02:06:30,660 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 02:06:30,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 3746 states, 2156 states have (on average 1.312152133580705) internal successors, (2829), 2311 states have internal predecessors, (2829), 1537 states have call successors, (1537), 130 states have call predecessors, (1537), 129 states have return successors, (1522), 1485 states have call predecessors, (1522), 1522 states have call successors, (1522) [2022-07-14 02:06:30,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-07-14 02:06:30,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:06:30,708 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:06:30,708 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:06:30,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:06:30,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1156017786, now seen corresponding path program 1 times [2022-07-14 02:06:30,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:06:30,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1580598021] [2022-07-14 02:06:30,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:06:30,741 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:06:30,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:06:30,769 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:06:30,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 02:06:41,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:06:42,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 4399 conjuncts, 1 conjunts are in the unsatisfiable core [2022-07-14 02:06:42,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:06:42,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked. [2022-07-14 02:06:42,373 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:06:42,374 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:06:42,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1580598021] [2022-07-14 02:06:42,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1580598021] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:06:42,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:06:42,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-14 02:06:42,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589513981] [2022-07-14 02:06:42,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:06:42,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-14 02:06:42,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:06:42,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-14 02:06:42,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 02:06:42,419 INFO L87 Difference]: Start difference. First operand has 3746 states, 2156 states have (on average 1.312152133580705) internal successors, (2829), 2311 states have internal predecessors, (2829), 1537 states have call successors, (1537), 130 states have call predecessors, (1537), 129 states have return successors, (1522), 1485 states have call predecessors, (1522), 1522 states have call successors, (1522) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-14 02:06:42,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:06:42,748 INFO L93 Difference]: Finished difference Result 7253 states and 11443 transitions. [2022-07-14 02:06:42,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-14 02:06:42,750 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 279 [2022-07-14 02:06:42,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:06:42,796 INFO L225 Difference]: With dead ends: 7253 [2022-07-14 02:06:42,796 INFO L226 Difference]: Without dead ends: 3484 [2022-07-14 02:06:42,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-14 02:06:42,843 INFO L413 NwaCegarLoop]: 5416 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5416 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:06:42,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5416 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-14 02:06:42,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2022-07-14 02:06:43,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3484. [2022-07-14 02:06:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3484 states, 1911 states have (on average 1.3003663003663004) internal successors, (2485), 1980 states have internal predecessors, (2485), 1444 states have call successors, (1444), 129 states have call predecessors, (1444), 128 states have return successors, (1443), 1406 states have call predecessors, (1443), 1443 states have call successors, (1443) [2022-07-14 02:06:43,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 3484 states and 5372 transitions. [2022-07-14 02:06:43,224 INFO L78 Accepts]: Start accepts. Automaton has 3484 states and 5372 transitions. Word has length 279 [2022-07-14 02:06:43,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:06:43,227 INFO L495 AbstractCegarLoop]: Abstraction has 3484 states and 5372 transitions. [2022-07-14 02:06:43,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-14 02:06:43,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3484 states and 5372 transitions. [2022-07-14 02:06:43,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-07-14 02:06:43,239 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:06:43,240 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:06:43,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 02:06:43,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:06:43,459 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:06:43,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:06:43,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1870882658, now seen corresponding path program 1 times [2022-07-14 02:06:43,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:06:43,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [311206367] [2022-07-14 02:06:43,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:06:43,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:06:43,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:06:43,471 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:06:43,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 02:06:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:07:00,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 4399 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-14 02:07:00,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:07:00,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2022-07-14 02:07:00,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:07:00,604 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:07:00,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [311206367] [2022-07-14 02:07:00,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [311206367] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:07:00,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:07:00,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:07:00,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745004886] [2022-07-14 02:07:00,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:07:00,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:07:00,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:07:00,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:07:00,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:07:00,629 INFO L87 Difference]: Start difference. First operand 3484 states and 5372 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-14 02:07:02,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:07:02,239 INFO L93 Difference]: Finished difference Result 6946 states and 10737 transitions. [2022-07-14 02:07:02,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 02:07:02,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 279 [2022-07-14 02:07:02,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:07:02,281 INFO L225 Difference]: With dead ends: 6946 [2022-07-14 02:07:02,282 INFO L226 Difference]: Without dead ends: 3485 [2022-07-14 02:07:02,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-14 02:07:02,313 INFO L413 NwaCegarLoop]: 5357 mSDtfsCounter, 6 mSDsluCounter, 21394 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 26751 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-14 02:07:02,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 26751 Invalid, 116 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-14 02:07:02,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3485 states. [2022-07-14 02:07:02,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3485 to 3485. [2022-07-14 02:07:02,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3485 states, 1912 states have (on average 1.3002092050209204) internal successors, (2486), 1981 states have internal predecessors, (2486), 1444 states have call successors, (1444), 129 states have call predecessors, (1444), 128 states have return successors, (1443), 1406 states have call predecessors, (1443), 1443 states have call successors, (1443) [2022-07-14 02:07:02,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 3485 states and 5373 transitions. [2022-07-14 02:07:02,590 INFO L78 Accepts]: Start accepts. Automaton has 3485 states and 5373 transitions. Word has length 279 [2022-07-14 02:07:02,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:07:02,592 INFO L495 AbstractCegarLoop]: Abstraction has 3485 states and 5373 transitions. [2022-07-14 02:07:02,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-14 02:07:02,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3485 states and 5373 transitions. [2022-07-14 02:07:02,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-07-14 02:07:02,599 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:07:02,600 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:07:02,815 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forcibly destroying the process [2022-07-14 02:07:02,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 02:07:02,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:07:02,849 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:07:02,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:07:02,849 INFO L85 PathProgramCache]: Analyzing trace with hash -441142654, now seen corresponding path program 1 times [2022-07-14 02:07:02,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:07:02,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [636443241] [2022-07-14 02:07:02,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:07:02,860 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:07:02,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:07:02,864 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:07:02,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 02:07:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:07:18,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 4465 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 02:07:18,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:07:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 60 proven. 1 refuted. 0 times theorem prover too weak. 1049 trivial. 0 not checked. [2022-07-14 02:07:18,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:07:20,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1110 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2022-07-14 02:07:20,563 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:07:20,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [636443241] [2022-07-14 02:07:20,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [636443241] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 02:07:20,563 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 02:07:20,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-07-14 02:07:20,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626853520] [2022-07-14 02:07:20,564 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 02:07:20,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-14 02:07:20,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:07:20,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-14 02:07:20,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-07-14 02:07:20,566 INFO L87 Difference]: Start difference. First operand 3485 states and 5373 transitions. Second operand has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-14 02:07:22,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:07:22,915 INFO L93 Difference]: Finished difference Result 6958 states and 10753 transitions. [2022-07-14 02:07:22,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-14 02:07:22,917 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 285 [2022-07-14 02:07:22,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:07:22,964 INFO L225 Difference]: With dead ends: 6958 [2022-07-14 02:07:22,964 INFO L226 Difference]: Without dead ends: 3501 [2022-07-14 02:07:22,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-07-14 02:07:23,001 INFO L413 NwaCegarLoop]: 5360 mSDtfsCounter, 14 mSDsluCounter, 32107 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 37467 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:07:23,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 37467 Invalid, 213 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [35 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-14 02:07:23,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3501 states. [2022-07-14 02:07:23,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3501 to 3501. [2022-07-14 02:07:23,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3501 states, 1923 states have (on average 1.2990119604784192) internal successors, (2498), 1992 states have internal predecessors, (2498), 1446 states have call successors, (1446), 132 states have call predecessors, (1446), 131 states have return successors, (1445), 1408 states have call predecessors, (1445), 1445 states have call successors, (1445) [2022-07-14 02:07:23,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3501 states and 5389 transitions. [2022-07-14 02:07:23,277 INFO L78 Accepts]: Start accepts. Automaton has 3501 states and 5389 transitions. Word has length 285 [2022-07-14 02:07:23,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:07:23,280 INFO L495 AbstractCegarLoop]: Abstraction has 3501 states and 5389 transitions. [2022-07-14 02:07:23,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.0) internal successors, (72), 11 states have internal predecessors, (72), 4 states have call successors, (32), 2 states have call predecessors, (32), 5 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-14 02:07:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3501 states and 5389 transitions. [2022-07-14 02:07:23,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2022-07-14 02:07:23,286 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:07:23,286 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:07:23,500 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-07-14 02:07:23,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 02:07:23,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:07:23,514 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:07:23,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:07:23,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1156138526, now seen corresponding path program 2 times [2022-07-14 02:07:23,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:07:23,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1717520206] [2022-07-14 02:07:23,519 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-14 02:07:23,519 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:07:23,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:07:23,528 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:07:23,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 02:07:33,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-14 02:07:33,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-14 02:07:34,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 3692 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 02:07:34,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:07:34,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1197 trivial. 0 not checked. [2022-07-14 02:07:34,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 02:07:34,313 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:07:34,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1717520206] [2022-07-14 02:07:34,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1717520206] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:07:34,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:07:34,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 02:07:34,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217098945] [2022-07-14 02:07:34,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:07:34,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 02:07:34,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:07:34,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 02:07:34,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:07:34,315 INFO L87 Difference]: Start difference. First operand 3501 states and 5389 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-14 02:07:35,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:07:35,669 INFO L93 Difference]: Finished difference Result 9835 states and 15173 transitions. [2022-07-14 02:07:35,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 02:07:35,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 291 [2022-07-14 02:07:35,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:07:35,728 INFO L225 Difference]: With dead ends: 9835 [2022-07-14 02:07:35,728 INFO L226 Difference]: Without dead ends: 6384 [2022-07-14 02:07:35,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 02:07:35,795 INFO L413 NwaCegarLoop]: 7448 mSDtfsCounter, 4502 mSDsluCounter, 5249 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4502 SdHoareTripleChecker+Valid, 12697 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:07:35,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4502 Valid, 12697 Invalid, 70 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-14 02:07:35,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6384 states. [2022-07-14 02:07:36,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6384 to 6380. [2022-07-14 02:07:36,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6380 states, 3452 states have (on average 1.2989571263035922) internal successors, (4484), 3569 states have internal predecessors, (4484), 2678 states have call successors, (2678), 248 states have call predecessors, (2678), 249 states have return successors, (2686), 2624 states have call predecessors, (2686), 2677 states have call successors, (2686) [2022-07-14 02:07:36,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6380 states to 6380 states and 9848 transitions. [2022-07-14 02:07:36,296 INFO L78 Accepts]: Start accepts. Automaton has 6380 states and 9848 transitions. Word has length 291 [2022-07-14 02:07:36,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:07:36,297 INFO L495 AbstractCegarLoop]: Abstraction has 6380 states and 9848 transitions. [2022-07-14 02:07:36,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-14 02:07:36,297 INFO L276 IsEmpty]: Start isEmpty. Operand 6380 states and 9848 transitions. [2022-07-14 02:07:36,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2022-07-14 02:07:36,308 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:07:36,308 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:07:36,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 02:07:36,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:07:36,532 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:07:36,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:07:36,533 INFO L85 PathProgramCache]: Analyzing trace with hash -893825162, now seen corresponding path program 1 times [2022-07-14 02:07:36,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:07:36,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114890051] [2022-07-14 02:07:36,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:07:36,539 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:07:36,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:07:36,541 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:07:36,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 02:07:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:07:52,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 4846 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-14 02:07:52,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:07:53,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 1112 trivial. 0 not checked. [2022-07-14 02:07:53,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:07:55,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-07-14 02:07:55,674 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:07:55,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114890051] [2022-07-14 02:07:55,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [114890051] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 02:07:55,674 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 02:07:55,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-07-14 02:07:55,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346425297] [2022-07-14 02:07:55,675 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 02:07:55,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-14 02:07:55,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:07:55,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-14 02:07:55,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-07-14 02:07:55,676 INFO L87 Difference]: Start difference. First operand 6380 states and 9848 transitions. Second operand has 13 states, 11 states have (on average 10.818181818181818) internal successors, (119), 13 states have internal predecessors, (119), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-14 02:07:58,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:07:58,382 INFO L93 Difference]: Finished difference Result 12750 states and 19715 transitions. [2022-07-14 02:07:58,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-14 02:07:58,384 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 10.818181818181818) internal successors, (119), 13 states have internal predecessors, (119), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 340 [2022-07-14 02:07:58,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:07:58,462 INFO L225 Difference]: With dead ends: 12750 [2022-07-14 02:07:58,463 INFO L226 Difference]: Without dead ends: 6393 [2022-07-14 02:07:58,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 683 GetRequests, 667 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2022-07-14 02:07:58,504 INFO L413 NwaCegarLoop]: 5360 mSDtfsCounter, 23 mSDsluCounter, 26768 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 32128 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:07:58,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 32128 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-14 02:07:58,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6393 states. [2022-07-14 02:07:58,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6393 to 6393. [2022-07-14 02:07:58,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6393 states, 3462 states have (on average 1.2986712882726748) internal successors, (4496), 3579 states have internal predecessors, (4496), 2679 states have call successors, (2679), 250 states have call predecessors, (2679), 251 states have return successors, (2687), 2625 states have call predecessors, (2687), 2678 states have call successors, (2687) [2022-07-14 02:07:58,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6393 states to 6393 states and 9862 transitions. [2022-07-14 02:07:58,955 INFO L78 Accepts]: Start accepts. Automaton has 6393 states and 9862 transitions. Word has length 340 [2022-07-14 02:07:58,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:07:58,956 INFO L495 AbstractCegarLoop]: Abstraction has 6393 states and 9862 transitions. [2022-07-14 02:07:58,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 10.818181818181818) internal successors, (119), 13 states have internal predecessors, (119), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-14 02:07:58,956 INFO L276 IsEmpty]: Start isEmpty. Operand 6393 states and 9862 transitions. [2022-07-14 02:07:58,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2022-07-14 02:07:58,967 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:07:58,968 INFO L195 NwaCegarLoop]: trace histogram [17, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:07:59,189 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forcibly destroying the process [2022-07-14 02:07:59,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 02:07:59,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:07:59,223 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:07:59,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:07:59,223 INFO L85 PathProgramCache]: Analyzing trace with hash -759897951, now seen corresponding path program 1 times [2022-07-14 02:07:59,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:07:59,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556883277] [2022-07-14 02:07:59,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:07:59,231 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:07:59,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:07:59,233 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:07:59,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 02:08:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:08:15,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 4905 conjuncts, 8 conjunts are in the unsatisfiable core [2022-07-14 02:08:15,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:08:16,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2022-07-14 02:08:16,328 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:08:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2022-07-14 02:08:19,008 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:08:19,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556883277] [2022-07-14 02:08:19,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556883277] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 02:08:19,009 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 02:08:19,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2022-07-14 02:08:19,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297755804] [2022-07-14 02:08:19,009 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 02:08:19,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-14 02:08:19,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:08:19,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-14 02:08:19,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-07-14 02:08:19,012 INFO L87 Difference]: Start difference. First operand 6393 states and 9862 transitions. Second operand has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-14 02:08:22,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:08:22,294 INFO L93 Difference]: Finished difference Result 12770 states and 19732 transitions. [2022-07-14 02:08:22,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-14 02:08:22,297 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 347 [2022-07-14 02:08:22,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:08:22,355 INFO L225 Difference]: With dead ends: 12770 [2022-07-14 02:08:22,355 INFO L226 Difference]: Without dead ends: 6395 [2022-07-14 02:08:22,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 698 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=89, Invalid=331, Unknown=0, NotChecked=0, Total=420 [2022-07-14 02:08:22,392 INFO L413 NwaCegarLoop]: 5361 mSDtfsCounter, 28 mSDsluCounter, 37462 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 42823 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:08:22,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 42823 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-14 02:08:22,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6395 states. [2022-07-14 02:08:22,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6395 to 6395. [2022-07-14 02:08:22,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6395 states, 3464 states have (on average 1.298498845265589) internal successors, (4498), 3581 states have internal predecessors, (4498), 2679 states have call successors, (2679), 250 states have call predecessors, (2679), 251 states have return successors, (2687), 2625 states have call predecessors, (2687), 2678 states have call successors, (2687) [2022-07-14 02:08:22,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6395 states to 6395 states and 9864 transitions. [2022-07-14 02:08:22,814 INFO L78 Accepts]: Start accepts. Automaton has 6395 states and 9864 transitions. Word has length 347 [2022-07-14 02:08:22,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:08:22,815 INFO L495 AbstractCegarLoop]: Abstraction has 6395 states and 9864 transitions. [2022-07-14 02:08:22,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 9.461538461538462) internal successors, (123), 15 states have internal predecessors, (123), 4 states have call successors, (44), 2 states have call predecessors, (44), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-07-14 02:08:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 6395 states and 9864 transitions. [2022-07-14 02:08:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-07-14 02:08:22,824 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:08:22,825 INFO L195 NwaCegarLoop]: trace histogram [22, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:08:23,026 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 02:08:23,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:08:23,048 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:08:23,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:08:23,048 INFO L85 PathProgramCache]: Analyzing trace with hash 896705633, now seen corresponding path program 1 times [2022-07-14 02:08:23,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:08:23,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1971041030] [2022-07-14 02:08:23,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:08:23,053 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:08:23,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:08:23,054 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:08:23,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 02:08:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:08:45,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 4964 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-14 02:08:45,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 02:08:46,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 269 proven. 10 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2022-07-14 02:08:46,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 02:08:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 114 proven. 41 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2022-07-14 02:08:49,838 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 02:08:49,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1971041030] [2022-07-14 02:08:49,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1971041030] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 02:08:49,838 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 02:08:49,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2022-07-14 02:08:49,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754655123] [2022-07-14 02:08:49,838 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 02:08:49,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-14 02:08:49,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 02:08:49,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-14 02:08:49,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2022-07-14 02:08:49,840 INFO L87 Difference]: Start difference. First operand 6395 states and 9864 transitions. Second operand has 17 states, 15 states have (on average 8.066666666666666) internal successors, (121), 17 states have internal predecessors, (121), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-14 02:08:53,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:08:53,546 INFO L93 Difference]: Finished difference Result 12777 states and 19743 transitions. [2022-07-14 02:08:53,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-14 02:08:53,548 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 8.066666666666666) internal successors, (121), 17 states have internal predecessors, (121), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) Word has length 348 [2022-07-14 02:08:53,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:08:53,613 INFO L225 Difference]: With dead ends: 12777 [2022-07-14 02:08:53,613 INFO L226 Difference]: Without dead ends: 6405 [2022-07-14 02:08:53,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 679 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506 [2022-07-14 02:08:53,655 INFO L413 NwaCegarLoop]: 5359 mSDtfsCounter, 40 mSDsluCounter, 53522 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 58881 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-14 02:08:53,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 58881 Invalid, 339 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [44 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-14 02:08:53,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6405 states. [2022-07-14 02:08:54,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6405 to 6405. [2022-07-14 02:08:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6405 states, 3473 states have (on average 1.2985891160380074) internal successors, (4510), 3590 states have internal predecessors, (4510), 2679 states have call successors, (2679), 251 states have call predecessors, (2679), 252 states have return successors, (2687), 2625 states have call predecessors, (2687), 2678 states have call successors, (2687) [2022-07-14 02:08:54,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6405 states to 6405 states and 9876 transitions. [2022-07-14 02:08:54,181 INFO L78 Accepts]: Start accepts. Automaton has 6405 states and 9876 transitions. Word has length 348 [2022-07-14 02:08:54,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:08:54,182 INFO L495 AbstractCegarLoop]: Abstraction has 6405 states and 9876 transitions. [2022-07-14 02:08:54,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 8.066666666666666) internal successors, (121), 17 states have internal predecessors, (121), 4 states have call successors, (40), 2 states have call predecessors, (40), 5 states have return successors, (36), 4 states have call predecessors, (36), 4 states have call successors, (36) [2022-07-14 02:08:54,182 INFO L276 IsEmpty]: Start isEmpty. Operand 6405 states and 9876 transitions. [2022-07-14 02:08:54,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2022-07-14 02:08:54,191 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:08:54,191 INFO L195 NwaCegarLoop]: trace histogram [23, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:08:54,413 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forcibly destroying the process [2022-07-14 02:08:54,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 02:08:54,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 02:08:54,461 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:08:54,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:08:54,462 INFO L85 PathProgramCache]: Analyzing trace with hash -561425126, now seen corresponding path program 1 times [2022-07-14 02:08:54,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 02:08:54,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165155648] [2022-07-14 02:08:54,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:08:54,467 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 02:08:54,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 02:08:54,472 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 02:08:54,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process